Literary term.

A type of poetry. Usually very long, and tells the story of the building of a nation.

A word, whose meaningful definition(s)and correct applications are now obscured and have been raped to death mostly by the 25 and under crowd. It has been overused as "the" catch phrase used to describe a situation, person, event, movie, taking a shit,etc. The abuse and birth as a catchphrase has its origins among avid gamers and pretentious English majors.

An overly used word thats getting totally out of hand.
Used WAY to much.

A word that used to be used to describe a book, a movie or other work as timeless, great, and meaningful. Is now used by douchebags who combine it with "win" or "fail" to describe everyday things.

Being unusually large, powerful or wonderful. On a grander scale than the modified word would otherwise imply.

Popular synonyms: Massive, Huge, Incredible, Awesome

A word that is so played out by tools, douche bags, and advertising agencies to describe pointless crap that you can simply decide that someone is not a waste of space if they do not ever use it.

(adjective) Awesome, kickass, or otherwise positive. Can be used to refer to anything but is usually referring to a particular event or action. The most common usages are "epic win" or "epic failure," and some prefer to type it in all caps. Occasionally people use the phrase "Epic ___" as a stand-alone sentence or phrase, always following a story about something considered Epic.